Our ID Notes may contain important tips necessary for distinguishing this gall from similar galls and/or important information about the taxonomic status of this gall inducer.
Gallformers ID Notes
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Erineum cups similar to those of Aceria mackiei but found on white-group oaks in Arizona.
Observed on Quercus grisea in March and on Quercus arizonica in August.
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value arizona-white-oak-erineum on iNaturalist. You can view them here: